Nahuel Moreno wrote this letter before the Congress of the PST (C) which addressed a historical discussion, the most important since the founding of the party because they had to choose between two lines: one that tends to dissolve the party in A Luchar [To Fight], adopting its newspaper as the central instrument for our political activity, and one that proposes to strengthen the Trotskyist party more than ever, with its newspaper, its politics and its program.